Home / 131,782.04-181,858.96-71,352.74

Finding the Fourth Proportional to 131,782.04, 181,858.96 and 71,352.74

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Solution

The fourth proportional to 131,782.04, 181,858.96 and 71,352.74 is: 98,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,782.04 : 181,858.96 = 71,352.74 : x
  2. Step 2: Convert to fraction form
    131,782.04/181,858.96 = 71,352.74/x
  3. Step 3: Cross multiply
    131,782.04x = 181,858.96 × 71,352.74
  4. Step 4: Simplify right side
    131,782.04x = 12,976,135,089.55
  5. Step 5: Solve for x
    x = 12,976,135,089.55/131,782.04
  6. Step 6: Final answer
    x = 98,466.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.